[dpdk-dev] cxgbe: fix alignment for data offset in mbufs
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Commit Message
Fixup alignment for data offset when refilling mbufs.
Fixes: edd04c619685 ("net/cxgbe: update Rx path for Chelsio T6")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
---
drivers/net/cxgbe/sge.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
Comments
On 6/15/2017 3:13 AM, Rahul Lakkireddy wrote:
> Fixup alignment for data offset when refilling mbufs.
>
> Fixes: edd04c619685 ("net/cxgbe: update Rx path for Chelsio T6")
>
> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Applied to dpdk-next-net/master, thanks.
@@ -415,7 +415,11 @@ static unsigned int refill_fl_usembufs(struct adapter *adap, struct sge_fl *q,
}
rte_mbuf_refcnt_set(mbuf, 1);
- mbuf->data_off = RTE_PKTMBUF_HEADROOM;
+ mbuf->data_off =
+ (uint16_t)(RTE_PTR_ALIGN((char *)mbuf->buf_addr +
+ RTE_PKTMBUF_HEADROOM,
+ adap->sge.fl_align) -
+ (char *)mbuf->buf_addr);
mbuf->next = NULL;
mbuf->nb_segs = 1;
mbuf->port = rxq->rspq.port_id;